| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1248 |
74.8%
|
| 2 | Both | 19 |
1.1%
|
| 3 | Father only | 375 |
22.5%
|
| 4 | Mother only | 3 |
0.2%
|
| 5 | I don't know | 23 |
1.4%
|
| Sysmiss | 12 |